| PCode | Code | Brand | Description |
|---|---|---|---|
| P0134 | P0134 | BMW | O2 Sensor Circuit No Activity Detected |
| P0135 | P0135 | BMW | O2 Sensor Heater Circuit |
| P0136 | P0136 | BMW | O2 Sensor Circuit |
| P0137 | P0137 | BMW | O2 Sensor Circuit Low Voltage |
| P0138 | P0138 | BMW | O2 Sensor Circuit High Voltage |
| P0139 | P0139 | BMW | O2 Sensor Circuit Slow Response |
| P0140 | P0140 | BMW | O2 Sensor Circuit No Activity Detected |
| P0141 | P0141 | BMW | O2 Sensor Heater Circuit |
| P0142 | P0142 | BMW | O2 Sensor Circuit |
| P0143 | P0143 | BMW | O2 Sensor Circuit Low Voltage |